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-rw-r--r--Eigen/src/Householder/Householder.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Eigen/src/Householder/Householder.h b/Eigen/src/Householder/Householder.h
index 7d77cd6e6..9ade04c19 100644
--- a/Eigen/src/Householder/Householder.h
+++ b/Eigen/src/Householder/Householder.h
@@ -65,7 +65,7 @@ void MatrixBase<Derived>::makeHouseholder(
RealScalar& beta) const
{
EIGEN_STATIC_ASSERT_VECTOR_ONLY(EssentialPart)
- VectorBlock<Derived, EssentialPart::SizeAtCompileTime> tail(derived(), 1, size()-1);
+ VectorBlock<const Derived, EssentialPart::SizeAtCompileTime> tail(derived(), 1, size()-1);
RealScalar tailSqNorm = size()==1 ? RealScalar(0) : tail.squaredNorm();
Scalar c0 = coeff(0);